char *pa_get_binary_name(char *s, size_t l);
char *pa_get_home_dir(char *s, size_t l);
-char *pa_path_get_filename(const char *p);
+const char *pa_path_get_filename(const char *p);
int pa_gettimeofday(struct timeval *tv);
pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b);
const char *pa_strsignal(int sig);
-int pa_uid_in_group(const char *name, gid_t *gid);
+int pa_own_uid_in_group(const char *name, gid_t *gid);
+int pa_uid_in_group(uid_t uid, const char *name);
int pa_lock_fd(int fd, int b);